Examveda
Examveda

In two types of stainless steel, the ratio of chromium and steel are 2 : 11 and 5 : 21 respectively. In what proportion should the two types be mixed so that the ratio of chromium to steel in the mixed type becomes 7 : 32 ?

A. 2 : 3

B. 3 : 4

C. 1 : 2

D. 1 : 3

Answer: Option C

Solution(By Examveda Team)

According to the question,
\[\begin{gathered} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{Chromium}}\,\,{\text{Steel}} \hfill \\ {\text{Type 1}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,2\,\,\,\,:\,\,\,\,\,11 \hfill \\ {\text{Type 2}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,5\,\,\,\,{\text{:}}\,\,\,\,\,\,\,21 \hfill \\ \end{gathered} \]
Now using alligation,
Alligation mcq solution image
\[{\text{Ratio of quantity }} \to \boxed{\,\,1\,\,\,\,\,\,:\,\,\,\,\,\,2\,\,}\]

This Question Belongs to Arithmetic Ability >> Alligation

Join The Discussion

Related Questions on Alligation